1. Numbers
  2. Compare 1283 vs 1321

Compare 1283 vs 1321

Property12831321
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1283113211
Prime factorization12831321
Divisors count22
Divisors1, 12831, 1321
Number of properties127
Additive primes 118th
Chen primes135th 
Cousin primes (2nd member)46th 
Emirps61st63rd
Harmonic primes72nd74th
Isolated primes123rd 
Left-truncatable primes56th 
Primes208th216th
Prime triplets (3rd member)33rd 
Pythagorean primes 106th
Safe primes28th 
Sexy primes (1st member)90th94th
Sexy primes (2nd member)89th 
Sexy prime triplets (2nd member)34th 
Twin primes (2nd member) 46th
Roman numberalsMCCLXXXIIIMCCCXXI
Base 2101000000112101001010012
Base 31202112312102213
Base 411000341102214
Base 5201135202415
Base 655356100416
Base 73512735657
Base 82403824518
Base 91675917279
Base 10128310132110
Base 11a6711aa111
Base 128ab1292112
Base 13779137a813
Base 14679146a514
Base 155a8155d115
Base 165031652916
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